| Citation: | Luo Wentian, Zhou Ninghang, Zhao Xinheng, et al. Design of hydrogen-electric extended-range hybrid power system for compound-wing UAVs[J]. Journal of Aerospace Power, 2026, 41(9):20260122 doi: 10.13224/j.cnki.jasp.20260122 |
To resolve the conflict between high hover energy consumption and long endurance in compound-wing unmanned aerial vehicle (UAV), a high-energy-density hydrogen-electric extended-range hybrid power system is proposed. A cross-modal power scheduling strategy dynamically allocates output between the fuel cell and lithium battery, maintaining a 95% state of charge (SOC) during cruise to ensure hovering power redundancy and optimize global hydrogen consumption. Validated through simulations and flight tests, the prototype achieved a 28 min hover and a 230 km cruise. Notably, it reduced hydrogen consumption by approximately 8.3% compared to the rule-based equivalent consumption minimization strategy (RB-ECMS) strategy, providing an efficient and clean hybrid power solution.
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